InChI=1/C19H20Br2N2O4/c1-12(2)10-27-17-8-3-13(9-16(17)21)19(25)23-22-18(24)11-26-15-6-4-14(20)5-7-15/h3-9,12H,10-11H2,1-2H3,(H,22,24)(H,23,25)/f/h22-23H 0F82D8AE7837A5E2